It depends on the map. There should be a key indicated.
A large volume of air that has nearly the same temperature and humidity at different locations at the same altitude is called the Air Mass. Air mass covers hundreds or thousands of square miles and adapt to the characteristics of the surface below them at the same time they are also classified according to latitude and their continental or maritime source regions.
Answer:
Vegetation cover.
Explanation:
Planting vegetation over the mined area is the best solution that provide the largest benefits to society and the environment with low cost as compared to other solutions for reclamation such as refilling the land with soil and filled water to make a lake. Vegetation over mined area clean the environment as well as provides timber in few years which is used for making different products. So vegetation is the best solution for reclamation of mined area.